chore(deps): update helm release victoria-metrics-k8s-stack to v0.27.3

[p6r-renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
victoria-metrics-k8s-stack	HelmChart	patch	0.27.2 -> 0.27.3

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Release Notes

VictoriaMetrics/helm-charts (victoria-metrics-k8s-stack)

### [`v0.27.3`](https://redirect.github.com/VictoriaMetrics/helm-charts/releases/tag/victoria-metrics-k8s-stack-0.27.3) [Compare Source](https://redirect.github.com/VictoriaMetrics/helm-charts/compare/victoria-metrics-k8s-stack-0.27.2...victoria-metrics-k8s-stack-0.27.3) ### Release notes for version 0.27.3 **Release date:** 2024-10-11   - Grafana chart: 8.4.9 -> 8.5.2 - Prometheus operator chart: 11.0 -> 15.0 - Human-readable error about Helm version requirement - Updated rules template context structure

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